International Maths Olympiad Forum By SOF Olympiad Trainer - Page 660
  1. Home
  2. /  Forum

User Forum

Ask Your Question
from ,
Subject :IMO    Class : Class 8

Ans 1:

sagar kumar from D A V public school , NOIDA
Class : Class 10
0 is both a number and the numerical digit used to represent that number in numerals. The number 0 fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems.

Post Your Answer

Yash Bindal from Global Indian International School, Singapore
Subject :IMO    Class : Class 8

Ans 1:

Adithya Ravi from National Centre For Excellence , Bengaluru
Class : Class 9

Ans 2: (Master Answer)

from ,
Class :

Post Your Answer

Urvee Sarang Gokhale from Sri Sri Ravi Shankar Vidya Mandir, Pune
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

from ,
Class :

1000 in roman numerals = M


Post Your Answer

Shubhan from Euro School, Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Prerna Singh from Loyola School, Jamshedpur
Class : Class 5
Ans. C (20)

Ans 2:

KALLOL PAL from TIGPS Mankundu , CHANDANNAGAR
Class : Class 9
20

Ans 3: (Master Answer)

from ,
Class :

The correct answer is C

Number of detective books he read 
= 4 × 5 = 20.


Post Your Answer

Shweta Garg from Vibgyor high, Vadodara
Subject :IMO    Class : Class 5

Ans 1:

Aarya Teja from Bharatiya Vidya Bhavans Public School, Hyderabad
Class : Class 6
(B) 17766 When 17766 is rounded to the nearest tens, it is 17770 When 17766 is rounded to the nearest hundreds, it is 178000 When 17766 is rounded to the nearest thousands, it is 18000 Therefore, 17766 agrees with all the rules and is the right answer.

Ans 2:

from ,
Class :
Answer is B) 17766

Ans 3:

Ashwak from Cambridge, Jalandhar
Class : Class 9
B

Ans 4: (Master Answer)

from ,
Class :

The correct answer is B - 17766 

Rounding off rounds off 17766 to the nearest thousand, you will get 18000.

Rounding off 17766  to the nearest hundred, you will get 17800.

And rounding off to the nearest ten, you will get 17770.


Ans 5:

from ,
Class :
B

Ans 6:

Aarya Teja from Bharatiya Vidya Bhavans Public School, Hyderabad
Class : Class 6
(B) 17766 When 17766 is rounded to the nearest tens, it is 17770 When 17766 is rounded to the nearest hundreds, it is 178000 When 17766 is rounded to the nearest thousands, it is 18000 Therefore, 17766 agrees with all the rules and is the right answer.

Post Your Answer

Priya Lalwani from Sophia Sr Sec School, Bikaner
Subject :IMO    Class : Class 9

Ans 1:

Sujal Shishodia from HAPPY SENIOR SECONDARY SCHOOL, Jind
Class : Class 10
D

Ans 2: (Master Answer)

from ,
Class :

The correct answer is D.


Post Your Answer

from ,
Subject :IMO    Class : Class 4

Ans 1:

Mithi from G D BIRLA , Kolkata
Class : Class 2

Ans 2:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5

Ans 3:

from ,
Class :
The correct answer is D

Ans 4: (Master Answer)

from ,
Class :

The correct answer is D

 


Ans 5:

Arihaan Adhikari from Modern Delhi International School, Sector 87, Faridabad
Class : Class 9

Ans 6:

Arihaan Adhikari from Modern Delhi International School, Sector 87, Faridabad
Class : Class 9

Ans 7:

Sayan Duary from Vidyasagar Shishu Niketan, Paschim Medinipur
Class : Class 10

Post Your Answer

Shweta Garg from Vibgyor high, Vadodara
Subject :IMO    Class : Class 5

Ans 1:

Sharvi Deshmukh from BRPS, Pune
Class : Class 1
(B)13 is the correct answer

Ans 2:

Yash from Dps, Noida
Class : Class 7
they are counting 5 , 6 two times so that means that the answer is b 13

Ans 3:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
teree to pit jaega

Ans 4:

Sarang Shete from Amanora School, Pune
Class : Class 8

Ans 5:

Yash from Dps, Noida
Class : Class 7
hey sorry that my first answer was wrong .....the correct answer is [c] 15 as they are counting the 13 , 14 as each half of the whole triangle

Ans 6:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
But I agree that the answer is B

Ans 7:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Watch out the solution . Then ya all will understand everything!!!!!!!Sab samajh jaaoge !!!!!!!!!

Ans 8:

PRAPTI BHATTACHARYA from St. Ann's School, ROORKEE
Class : Class 5
Correct answer is d-17

Ans 9:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
I still don’t understand how the answer is C. I got the answer as 14

Ans 10:

Prachi from Holy Child Public school, Faridabad
Class : Class 10
yes 13(b) is the correct answer. You have counted triangle 5 and 6 twice. What a hell it is.

Ans 11:

Joe Bipin from National Public School Agra, Bangalore
Class : Class 10
answer is 15 c

Ans 12:

adhiraj from Gundecha Education Academy, Mumbai
Class : Class 5
The answer is A - 11

Ans 13:

Nila Pillai from Chennai public School, Chennai
Class : Class 6
Answer is 15 not 13 Look closely!!!!

Ans 14:

Risha Jakhotiya from Indo Scott Global School, Pune
Class : Class 4
Hey! 13 and 14 are not triangles!!!

Ans 15:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9

Ans 16:

Mohammed Najl from Credence high school Dubai, Dubai
Class : Class 5
B is correct

Ans 17:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 18:

Irresh Vijay from NPSI Singapore, Singapore
Class : Class 8

Ans 19:

from Delhi Public School Noida, GHAZIABAD
Class : Class 6

Ans 20:

JOIS GEORGE from Dimension, Singapore
Class : Class 5
Look Closely!!! its 15, include other triangles!!!!!

Post Your Answer

from ,
Subject :IMO    Class : Class 6

Ans 1:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10

Ans 2:

from ,
Class :
Like this :- First we will remove 6 from the left side of the equation and add 6 on the right side this would bring this :- x +25+5=26 Then we will substract 25 from both sides ,this would bring this :- x + 5 = 1 Then we will substract 5 from both sides this will give us :- x = -4 ,so x = -4

Ans 3:

akshanjaswal from Modern Delhi International School, Faridabad
Class : Class 10
-4

Ans 4:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
x =20+6-5-25= - 4. so, x = - 4

Post Your Answer

from ,
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

from ,
Class :

Kindly upload the image of the figure


Post Your Answer